(Don't read this in an angry voice, I'm making a point. I'm not trying to tell you off. Sorry if it seems that way)
This really isn't much of a discussion. No offence. Of course someone can be tough and gay. That's like asking if someone can be a coward and straight. For instance, I fought a straight guy who called me a f**. (Wasn't much of a fight. He pushed and I pushed him onto the ground) I'm not the tough talking type, but it was obvious I was bigger than him.
Again, no offence, but Ru Paul isn't the best example of the gay community. I mean, look at this: